Archive: 11/19/2009

Waking up memories while you sleep

They were in a deep sleep, yet sounds, such as a teakettle whistle and a cat's meow, somehow penetrated their slumber. The 25 sounds presented during the nap were reminders of earlier spatial learning, though the Northwestern ...

dateNov 19, 2009 in Neuroscience
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Probing Question: What is a heritage turkey?

(PhysOrg.com) -- Over 45 million turkeys are eaten by Americans each Thanksgiving, according to the U.S. Department of Agriculture. Hunters provide some -- last autumn, about 24,000 wild turkeys were harvested ...

dateNov 19, 2009 in Other
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An atomic-level look at an HIV accomplice

(PhysOrg.com) -- Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of ...

dateNov 19, 2009 in Biochemistry
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Unknowlingly consuming endangered tuna

While most of us would never willingly consume a highly endangered species, doing so might be as easy as plucking sushi from a bento box. New genetic detective work from the Sackler Institute for Comparative ...

dateNov 19, 2009 in Ecology
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Why can't some people give up cocaine?

Drug dependency is a recurrent but treatable kind of addiction. However, not all people who are drug dependent progress in the same way once they stop taking drugs. A new study shows that, in the case of cocaine, a high score ...

dateNov 19, 2009 in Psychology & Psychiatry
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